{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x9a06fc80786121332774638392b982218098f5677951946ae7fafd5af11c57ec",
    "signature": "0x23da42757b07cdf99005c40786125d95f0421a20dcc1faccc4639b7177a56747538f380ddc4aabc1cbb3ecfb5da684554e589607cd396d12ced1b6cb14f6fac31c",
    "signer": "0x803cAa47D9F525D1180159ddCAC9575061b200B3",
    "userId": "1415762"
  }
}